42770858 has 12 divisors (see below), whose sum is σ = 69471558. Its totient is φ = 19740240.

The previous prime is 42770851. The next prime is 42770879. The reversal of 42770858 is 85807724.

It can be written as a sum of positive squares in 3 ways, for example, as 33327529 + 9443329 = 5773^2 + 3073^2 .

It is not an unprimeable number, because it can be changed into a prime (42770851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62933 + ... + 63608.

Almost surely, 2^42770858 is an apocalyptic number.

42770858 is a deficient number, since it is larger than the sum of its proper divisors (26700700).

42770858 is a wasteful number, since it uses less digits than its factorization.

42770858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126569 (or 126556 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 42770858 is about 6539.9432719252. The cubic root of 42770858 is about 349.7163906581.

The spelling of 42770858 in words is "forty-two million, seven hundred seventy thousand, eight hundred fifty-eight".